PPKE ITK PhD and MPhil Thesis Classes
PPKE ITK PhD and MPhil Thesis Classes
PPKE ITK PhD and MPhil Thesis Classes
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1.3 CNN-UM Implementations 11<br />
modifications increased the performance. In case of CASTLE an important drawback<br />
was that its moderate (12-bits) precision is enough for image processing<br />
but not enough for some applications require more precise computations. Moreover,<br />
the array size is also fixed, which makes difficult to emulate large arrays,<br />
especially, when propagating cloning templates are used. To overcome these limitations<br />
configurable hardware description languages <strong>and</strong> reconfigurable devices<br />
(e.g. FPGA) were used to implement the FALCON architecture by employing<br />
rapid prototyping strategy [32]. This made it possible to increase the flexibility<br />
<strong>and</strong> create application optimized processor configurations. The configurable<br />
parameters are the following:<br />
• bit width of the state-, constant-, <strong>and</strong> template-values,<br />
• size of the cell array,<br />
• number <strong>and</strong> size of templates,<br />
• number <strong>and</strong> arrangement of the physical processor cores.